Use interface instead of class.
Use interface instead of class.
jasongrout/jupyter-js-output-area,jupyter/jupyter-js-output-area,jasongrout/jupyter-js-output-area,blink1073/jupyter-js-output-area,jupyter/jupyter-js-output-area,blink1073/jupyter-js-output-area,jupyter/jupyter-js-output-area,jupyter/jupyter-js-output-area